The SpotOn is a half-pound GPS collar meant for dogs weighing 15 pounds or more. It comes in one color (gray) and three sizes ...

dog-safe alerts, real-time GPS location, activity tracker data, and all the Halo fences you’ve set up. The entire Halo system functions seamlessly and provides you with plenty of information on your ...

The Halo 4 features 4 GPS updates per second, maintaining a rapid dog location aptitude that’s hard to beat with other invisible fences. It can get a little quirky inside heavy tree cover, but it’s ...

I recently spoke with Ken Ehrman, CEO of Halo Collar, the next generation wireless GPS dog safety system, and pet tech’s newest disrupter. He developed a wireless fence where you simply draw the ...

I've been writing about computers, the internet, and technology professionally for over 30 years, more than half of that time with PCMag. I run several special projects including the Readers' Choice ...

Both the SpotOn and Halo collars are prone to a bit of “fence drift” where the boundaries you create aren’t exact when dogs approach—not too shocking since consumer GPS isn’t exactly ...